P · 5 seasons · 1933 – 1937 · B/T: R/R
Don Brennan is the extreme version of a specialist. +9.4 of roto value came from saves, yet his career total is only +7.3. 1935 was the high-water mark, worth +5.4, 28th that season and 4911th of 51,303 player-seasons on record. On the credit side, saves (+9.4), ERA (+0.2) and strikeouts (+0.0). On the debit side, WHIP (-1.8).
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1933 | NYY | 18 | -2.18 | #397 | #75,762 |
| 1934★ | CIN | 28 | -2.13 | #440 | #69,309 |
| 1935 | CIN | 38 | -2.82 | #644 | #106,604 |
| 1936 | CIN | 41 | -2.75 | #630 | #105,604 |
| 1937 | CIN | 16 | -2.27 | #704 | #84,762 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1933 | NYY | 18 | -0.27 | #104 | #19,631 |
| 1934 | CIN | 28 | 0.35 | #85 | #16,978 |
| 1935★ | CIN | 38 | 5.38 | #28 | #4,911 |
| 1936 | CIN | 41 | 4.83 | #34 | #5,703 |
| 1937 | CIN | 16 | -3.00 | #303 | #45,193 |
★ Best season by Z